부산대학교 도서관

To link to full-text access for this article, visit this link: http://dx.doi.org/10.1016/j.oregeorev.2009.04.002 Byline: Frank P. Bierlein, David I. Groves, Peter A. Cawood Keywords: Accretionary orogens; Mineral deposits; Metal endowment; Plate tectonics; Lithosphere Abstract: Accretionary orogens throughout space and time represent extremely fertile settings for the formation and preservation of a wide variety of mineral deposit types. These range from those within active magmatic arcs, either in continental margin or intra-oceanic settings, to those that develop in a variety of arc-flanking environments, such as fore-arcs and back-arcs during deformation and exhumation of the continental margin. Deposit types also include those that form in more distal, far back-arc and foreland basin settings. The metallogenic signature and endowment of individual accretionary orogens are, at a fundamental level, controlled by the nature, composition and age of the sub-continental lithosphere, and a complex interplay between formational processes and preservational forces in an evolving Earth. Some deposit types, such as orogenic gold and volcanic massive sulfide (VMS) deposits, have temporal patterns that mimic the major accretionary and crustal growth events in Earth history, whereas others, such as porphyry Cu-Au-Mo and epithermal Au-Ag deposits, have largely preservational patterns. The presence at c. 3.4 Ga of (rare) orogenic gold deposits, whose formation necessitates some form of subduction-accretion, provides strong evidence that accretionary processes operated then at the margins of continental nuclei, while the widespread distribution of orogenic gold and VMS deposits at c. 2.7-2.6 Ga reflects the global distribution of accretionary orogens by this time. Author Affiliation: Centre for Exploration Targeting, School of Earth and Environment, The University of Western Australia, 35 Stirling Highway, Crawley, W.A. 6009, Australia Article History: Received 7 January 2009; Revised 24 April 2009; Accepted 24 April 2009